Is earthquake insurance worth it in California?
Three questions that settle it for most households, with the real numbers behind each one.
Start with the odds, not the premium
The U.S. Geological Survey's UCERF3 forecast gives California a greater than 99 percent chance of at least one magnitude 6.7 or larger earthquake over 30 years, with 72 percent for the San Francisco Bay region and 60 percent for the Los Angeles region (USGS Fact Sheet 2015-3009). Thirty years is the length of a mortgage, which is the right frame: the question is whether you want to carry this risk yourself for the life of the loan.
Set against that, only 15.2 percent of California homeowners carry earthquake coverage (California Department of Insurance, 2025). The gap between the odds and the take-up is not a rational bet by 85 percent of homeowners. It is mostly the fact that nobody ever put the numbers side by side for them.
Question 1: what would you actually lose?
Earthquake insurance protects equity, not drywall. Write down what you owe on the house and what it is worth. The difference is what a total loss would take from you, and the mortgage does not go away when the house does. If that number is most of your net worth, the policy is insuring your financial life, and the premium is cheap relative to what it covers. If you own the house outright and it is a small part of a large balance sheet, you may reasonably choose to self-insure.
Question 2: could you absorb the deductible?
Earthquake deductibles are a percentage of the dwelling limit, 5 to 25 percent on a CEA policy (CEA). On a $600,000 home that is $30,000 to $150,000 before the policy pays. Two things follow.
- If you could not write a check for the deductible after a quake that may also have shut your workplace, pick a lower percentage even though it costs more. A policy whose deductible you cannot fund does not help you.
- If damage under the deductible would not ruin you but a total loss would, a high deductible is the efficient choice: you are buying catastrophe protection, not repair coverage, and the premium reflects that.
Run your own limit through the deductible calculator on the earthquake insurance page before you decide.
Question 3: how vulnerable is the structure?
Two houses on the same street can have very different odds of serious damage. The features that matter most:
- Built before 1980, wood frame, on a raised foundation with a crawl space and no retrofit - the classic California house that slides off its foundation or collapses its cripple wall
- Soft-story construction - living space over an open garage or carport with little to hold it up sideways
- Unreinforced masonry or brick chimneys, which come down in moderate shaking
- Hillside or split-level design
- Soft soil, bay fill, or a river floodplain, where shaking is amplified and the ground can liquefy
A newer home on a slab in bedrock is at the low end; an unretrofitted 1950s home on a raised foundation in soft soil near the Hayward Fault is at the top. If you are at the top, a retrofit changes the answer as much as insurance does: see retrofits, grants, and the insurance discount.
Renters and condo owners have an easier call
The average California renters earthquake premium was $87 a year in 2025 (CDI), and it covers the two things a renter can lose: belongings and a place to live while the building is unsafe. At that price the decision is rarely close. Condo owners face a specific risk most do not know about: if the HOA master policy carries earthquake coverage with a percentage deductible, that deductible is assessed across the units, and a unit-owner policy's loss-assessment coverage is what pays your share. See renters insurance and earthquakes and California condo insurance.
What the answer usually looks like
| Your situation | Usual answer |
|---|---|
| Large equity, could not rebuild from savings, older or hillside home near a fault | Buy it, and choose the deductible you could actually fund |
| Large equity, could not rebuild from savings, newer home on a slab in a lower-hazard area | Buy it at a higher deductible; it is catastrophe cover and priced that way |
| Small equity relative to the deductible, early in the mortgage | Price it; if the deductible would swallow most of your equity, a retrofit may be the better first dollar |
| Own outright, house is a small share of net worth, could absorb a rebuild | Self-insuring is reasonable; consider a high-deductible policy for the tail |
| Renter or condo owner | Almost always yes; the premium is small and the exposure is real |
We will quote both the CEA policy and the private alternatives so you decide with real numbers. Online earthquake quoting is coming to our marketplace; for now, send us the details and a licensed broker prices it by hand.
Sources
Figures and definitions on this page come from the regulator or the body that publishes them. Each link was checked on the review date above.
- UCERF3: A New Earthquake Forecast for California's Complex Fault System (Fact Sheet 2015-3009) U.S. Geological Survey
- Earthquake Premium and Policy Count Data Call - Summary of 2025 Residential Totals California Department of Insurance
- Homeowners earthquake insurance coverages and deductibles California Earthquake Authority
- How to qualify for an earthquake insurance premium discount California Earthquake Authority
Frequently asked questions
What are the odds of a big earthquake in California in my lifetime?
The USGS puts the 30-year likelihood of at least one magnitude 6.7 or larger earthquake somewhere in California above 99 percent. For the San Francisco Bay region it is 72 percent and for the Los Angeles region 60 percent. Over a 30-year mortgage, a damaging quake somewhere in the state is close to a certainty.
Why do so few Californians buy earthquake insurance?
Only about 15 percent of California homeowners carry it. The usual reasons are the percentage deductible, which makes the policy feel like it never pays, and the fact that the risk is invisible between events. Both are answered by looking at the numbers: the policy is catastrophe protection for your equity, and the catastrophe is statistically due.
Is earthquake insurance worth it if I have a lot of equity?
That is exactly when it is most worth it. The policy exists to protect the equity you would lose in a total loss, plus the cost of somewhere to live and of rebuilding to current code. The more of your net worth sits in the house, the stronger the case.
Is earthquake insurance worth it for renters?
Usually yes. The average California renters earthquake premium was $87 a year in 2025, and it covers replacing your belongings and paying for temporary housing if the building is unsafe. At that price it is one of the cheapest ways to cover a real risk.
Should I retrofit instead of buying insurance?
Not instead, but often first. A brace-and-bolt retrofit on a pre-1980 home reduces the chance of serious damage, earns a CEA premium discount of up to 25 percent, and unlocks lower deductible options. The Earthquake Brace + Bolt program offers up to $3,000 toward it. Then the insurance covers what the retrofit cannot.
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